package transformFactory;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;

public class DateJsonValueProcessor implements JsonValueProcessor {

	public static final String Default_DATE_PATTERN = "yyyy-MM-dd";

	private DateFormat dateFormat;

	public DateJsonValueProcessor(String datePattern) {

		try {

			dateFormat = new SimpleDateFormat(datePattern);

		} catch (Exception e) {

			dateFormat = new SimpleDateFormat(Default_DATE_PATTERN);

		}

	}

	public Object processArrayValue(Object value, JsonConfig jsonConfig) {

		return process(value);

	}

	public Object processObjectValue(String key, Object value,
			JsonConfig jsonConfig) {

		return process(value);

	}

	private Object process(Object value) {

		if (value != null)

			return dateFormat.format((Date) value);

		return "";

	}

}
